2,106,865open jobs
129,622companies
244,448added this week
Browse all
Salary
≈ $59k – $110k per year (Estimated)
Location
In office (Toronto)
Seniority
Senior · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Aug 5, 2026. Fiserv scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Fiserv is an American payments and financial technology company founded in 1984 that supplies core banking systems, card processing and merchant acquiring to banks, credit unions and retailers. Its 2019 acquisition of First Data added one of the largest merchant acquiring businesses in the world along with the Clover point-of-sale platform, turning the company into a full-stack provider spanning the issuing and acquiring sides of a card transaction. Headquartered in Milwaukee and listed on the New York Stock Exchange, it processes payments for millions of merchant locations and thousands of financial institutions.

Calling all innovators - find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Infrastructure Architecture - Senior Professional I

About your role:

As an Infrastructure Architecture - Sr Professional I, you will play a vital role in developing and implementing infrastructure strategies that align with Fiserv's business objectives. Your expertise will contribute to the robustness, scalability, and security of our infrastructure systems. You will collaborate with cross-functional teams to design and deploy architecture solutions that meet the evolving needs of the financial services industry.

Responsibilities and Duties

· Lead and support MySQL database design and optimization to enable platform growth and scalability.

· Drive schema design and improvements, balancing tactical needs with long-term architectural strategy to support.

· Enterprise data warehouse

· Operational data consumers

· Collaborate closely with application and feature development teams to optimize database schemas and SQL queries prior to production releases.

· Own and support ETL pipelines and Data Lake management to ensure reliable and efficient data ingestion and processing.

· Contribute to and support database migration initiatives, including migrations from MySQL to PostgreSQL (strongly preferred).

· Support and enhance ETL ingestion scripts, with Python experience considered a strong asset.

· Proactively identify opportunities to improve platform stability, performance, and data resiliency.

· Analyze system incidents, perform root cause analysis, and manage recovery efforts to ensure rapid restoration of services without data loss.

· Provide technical leadership and people management, including mentoring and managing a small team of data engineers.

· Maintain a high level of attention to detail, ensuring data quality and operational excellence in daily activities.

Qualifications and Skills

· Diploma / Degree in Computer Science, Software Engineering or similar

· 3+ years of relevant work experience in data engineering or database-focused roles.

· Demonstrated experience in one or more of the following areas:

o Database administration

o Data engineering

o ETL data loading and ingestion

o Data classification and normalization

o SQL performance tuning and schema optimization

· Experience with database security hardening and implementing best practices, including collaboration with cross-functional teams to promote zero-trust and secure data access.

· Familiarity with AWS services, including Glue, Lambda, Redshift, DMS and EKS (Kubernetes).

· Familiarity with Snowflake and Data Streaming services (MSK, Kafka, Confluent).

· Experience with Linux system administration, web servers, and networking is an asset.

· Strong analytical and problem-solving skills, with a proactive mindset for improving systems and processes.

· A deep curiosity and passion for learning, staying current with technical trends, and recommending appropriate tools and approaches.

· Excellent communication skills, with the ability to clearly explain technical concepts and collaborate effectively across business and technical teams.

Salary Range:

$92,000.00-$115,000.00

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name

  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,106,865 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

DevOps
Similar stack
Same company
Toronto
In office · Full-Time · 8+ years exp · High School Diploma · Sherbrooke
Apply
In office · 5+ years exp · Vancouver
Python
PowerShell
DevOps
Terraform
Ansible
Azure DevOps
Packer
Prometheus
GitLab CI
Azure
CI/CD
Jenkins
AWS
Kubernetes
Grafana
GitLab
Cybersecurity
SonarQube
Apply
System Architect 8 hours ago
$108k – $144k per year · Hybrid · Contractor · Markham
PowerShell
DevOps
Terraform
Azure
Windows Server
Bicep
Cybersecurity
Microsoft Entra ID
Active Directory
Management
ITIL
Apply
Hybrid · Full-Time · Vancouver
Databases
PostgreSQL
AI/ML
LLM
DevOps
Terraform
GCP
GitHub Actions
CircleCI
Pulumi
GitLab CI
CI/CD
AWS
Kubernetes
Buildkite
Google GKE
Cybersecurity
SOC 2
Threat Modeling
Apply
In office · Canada
Go
Java
Java
Maven
Gradle
Databases
ElasticSearch
DevOps
OpenTelemetry
CI/CD
GitOps
ArgoCD
Kubernetes
Buildkite
Apply
Remote (Greece) · Part-Time · Athens
Python
JavaScript
SQL
Python
Django
Databases
PostgreSQL
DevOps
Rest API
GCP
DigitalOcean
Heroku
Azure
AWS
Apply
Back-End Developers 28 days ago
≈ $23k – $48k per year (Estimated) · Remote (South Africa) · Full-Time · 3+ years exp · Johannesburg
Python
JavaScript
Java
PHP
TypeScript
C#
Node JS
Databases
MySQL
PostgreSQL
MS SQL
DevOps
GCP
Azure
CI/CD
Git
AWS
Docker
Kubernetes
Management
Agile
Apply
Data Engineer (BAU) 28 days ago
In office · Full-Time · Newmarket
Python
SQL
Databases
Snowflake
Databricks
AI/ML
Spark
DevOps
Azure
CI/CD
Incident Management
Analytics
Power BI
ETL/ELT
Azure Data Factory
Apply
In office · Full-Time · Newmarket
SQL
Databases
Snowflake
AI/ML
dbt
DevOps
Git
GitHub
Analytics
Azure Data Factory
Data Vault
Dimensional Modeling
Apply
≈ $118k – $215k per year (Estimated) · In office · Full-Time · Master's Degree · Zurich · San Francisco
Python
Go
JavaScript
Rust
TypeScript
C++
AI/ML
Claude Code
Reinforcement Learning
OpenAI Codex
DevOps
CI/CD
Git
Docker
GitHub
Robotics
Reinforcement Learning
Apply
≈ $15k – $34k per year (Estimated) · In office · Full-Time · 4+ years exp · Bachelor's Degree · Chennai
JavaScript
SQL
DevOps
CI/CD
Jenkins
Self-Healing
Management
Jira
Agile
Scrum
QA
Selenium
Swagger
Rest-Assured
Apply
$110k – $186k per year · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Berkeley Heights
Python
Go
Java
C++
C++
Protobuf
Databases
Redis
DevOps
Splunk
Terraform
GCP
Istio
Consul
Datadog
Envoy
Linkerd
Prometheus
HAProxy
AWS
Docker
Kubernetes
Nginx
Grafana
Service Mesh
Amazon EKS
Google GKE
Amazon EC2
Apache HTTP Server
Apply
$160k – $240k per year · Equity · In office · Full-Time · 12+ years exp · Sunnyvale
DevOps
Kubernetes
Apply
In office · Full-Time · 3+ years exp · Toronto
Apply
$72k – $82k per year · In office · Full-Time · 5+ years exp · PhD · Toronto
Apply
In office · 8+ years exp · Bachelor's Degree · Toronto
Apply
In office · 8+ years exp · Bachelor's Degree · Toronto
Marketing
GA4
Apply
$67k – $83k per year · In office · Full-Time · 3+ years exp · Master's Degree · Toronto
Apply
See all jobs
This is one of many
2,106,865 more open roles from verified company boards, updated every day.